Home / 73,749.32-110,531.74-31,580.32

Finding the Fourth Proportional to 73,749.32, 110,531.74 and 31,580.32

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Solution

The fourth proportional to 73,749.32, 110,531.74 and 31,580.32 is: 47,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.32 : 110,531.74 = 31,580.32 : x
  2. Step 2: Convert to fraction form
    73,749.32/110,531.74 = 31,580.32/x
  3. Step 3: Cross multiply
    73,749.32x = 110,531.74 × 31,580.32
  4. Step 4: Simplify right side
    73,749.32x = 3,490,627,719.36
  5. Step 5: Solve for x
    x = 3,490,627,719.36/73,749.32
  6. Step 6: Final answer
    x = 47,330.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.